import ComposableArchitecture
import GitHubCopilotService
import SwiftUI

struct AppInfoView: View {
    class Settings: ObservableObject {
        @AppStorage(\.installPrereleases)
        var installPrereleases
    }

    static var copilotAuthService: GitHubCopilotAuthServiceType?

    @Environment(\.updateChecker) var updateChecker
    @Environment(\.toast) var toast

    @StateObject var settings = Settings()
    @StateObject var viewModel: GitHubCopilotViewModel

    @State var automaticallyCheckForUpdate: Bool?
    @State var appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String

    let store: StoreOf<General>

    var body: some View {
        HStack(alignment: .center, spacing: 16) {
            let appImage = if let nsImage = NSImage(named: "AppIcon") {
                Image(nsImage: nsImage)
            } else {
                Image(systemName: "app")
            }
            appImage
                .resizable()
                .frame(width: 110, height: 110)
            VStack(alignment: .leading, spacing: 8) {
                HStack {
                    Text(Bundle.main.object(forInfoDictionaryKey: "HOST_APP_NAME") as? String ?? "GitHub Copilot for Xcode")
                        .font(.title)
                    Text("(\(appVersion ?? ""))")
                        .font(.title)
                }
                Text("Language Server Version: \(viewModel.version ?? "Loading...")")
                Button(action: {
                    updateChecker.checkForUpdates()
                }) {
                    HStack(spacing: 2) {
                        Text("Check for Updates")
                    }
                }
                HStack {
                    Toggle(isOn: .init(
                        get: { automaticallyCheckForUpdate ?? updateChecker.automaticallyChecksForUpdates },
                        set: {
                            updateChecker.automaticallyChecksForUpdates = $0
                            automaticallyCheckForUpdate = $0
                        }
                    )) {
                        Text("Automatically Check for Updates")
                    }

                    Toggle(isOn: $settings.installPrereleases) {
                        Text("Install pre-releases")
                    }
                }
            }
            Spacer()
        }
        .padding(.horizontal, 2)
        .padding(.vertical, 15)
    }
}

#Preview {
    AppInfoView(
        viewModel: .init(),
        store: .init(initialState: .init(), reducer: { General() })
    )
}